Molten Glass Gets 3D-Printed At M.I.T., You Get Hypnotized

So hot, so pretty.

Glass molded by a 3-D printer has been around for a few years, but never before has it looked this good. Massachusetts Institute of Technology engineers and materials experts have created a printer that spits out transparent glass, layering the glass like glue from a hot glue gun (if it was 1900°F glue).

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